Finding the Fourth Proportional to 9,401.82, 12,944.98 and 7,982.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.82 : 12,944.98 = 7,982.54 : x
2. Step 2: Convert to fraction form
   9,401.82/12,944.98 = 7,982.54/x
3. Step 3: Cross multiply
   9,401.82x = 12,944.98 × 7,982.54
4. Step 4: Simplify right side
   9,401.82x = 103,333,820.65
5. Step 5: Solve for x
   x = 103,333,820.65/9,401.82
6. Step 6: Final answer
   x = 10,990.83